1 /*        $NetBSD: soundcard.h,v 1.34 2021/05/09 11:28:25 nia Exp $   */
2 
3 /*-
4  * Copyright (c) 1997, 2020 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Lennart Augustsson and Nia Alarie.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * WARNING!  WARNING!
34  * This is an Open Sound System compatibility layer.
35  * Use the Native NetBSD API in <sys/audioio.h> for developing new code,
36  * and this only for compiling programs written for other operating systems.
37  */
38 
39 #ifndef _SOUNDCARD_H_
40 #define _SOUNDCARD_H_
41 
42 #ifndef SOUND_VERSION
43 #define SOUND_VERSION 0x030001
44 #endif
45 
46 #define   SNDCTL_DSP_RESET              _IO  ('P', 0)
47 #define   SNDCTL_DSP_SYNC                         _IO  ('P', 1)
48 #define   SNDCTL_DSP_SPEED              _IOWR('P', 2, int)
49 #define   SOUND_PCM_READ_RATE           _IOR ('P', 2, int)
50 #define   SNDCTL_DSP_STEREO             _IOWR('P', 3, int)
51 #define   SNDCTL_DSP_GETBLKSIZE                   _IOWR('P', 4, int)
52 #define   SNDCTL_DSP_SETFMT             _IOWR('P', 5, int)
53 #define    AFMT_QUERY                             0x00000000
54 #define    AFMT_MU_LAW                            0x00000001
55 #define    AFMT_A_LAW                             0x00000002
56 #define    AFMT_IMA_ADPCM                         0x00000004
57 #define    AFMT_U8                      0x00000008
58 #define    AFMT_S16_LE                            0x00000010
59 #define    AFMT_S16_BE                            0x00000020
60 #define    AFMT_S8                      0x00000040
61 #define    AFMT_U16_LE                            0x00000080
62 #define    AFMT_U16_BE                            0x00000100
63 #define    AFMT_MPEG                              0x00000200          /* Not supported */
64 #define    AFMT_AC3                     0x00000400
65 #define    AFMT_S24_LE                            0x00000800          /* Not supported */
66 #define    AFMT_S24_BE                            0x00001000          /* Not supported */
67 #define    AFMT_S32_LE                            0x00002000
68 #define    AFMT_S32_BE                            0x00004000
69 #define  AFMT_FLOAT                     0x00010000          /* Not supported */
70 #define  AFMT_SPDIF_RAW                           0x00020000          /* Not supported */
71 #define  AFMT_S24_PACKED                0x00040000          /* Not supported */
72 #define  AFMT_VORBIS                              0x00080000          /* Not supported */
73 #define SNDCTL_DSP_SAMPLESIZE           SNDCTL_DSP_SETFMT
74 #define   SOUND_PCM_READ_BITS           _IOR ('P', 5, int)
75 #define   SNDCTL_DSP_CHANNELS           _IOWR('P', 6, int)
76 #define SOUND_PCM_WRITE_CHANNELS        SNDCTL_DSP_CHANNELS
77 #define   SOUND_PCM_READ_CHANNELS                 _IOR ('P', 6, int)
78 #define SOUND_PCM_WRITE_FILTER                    _IOWR('P', 7, int)
79 #define SOUND_PCM_READ_FILTER           _IOR ('P', 7, int)
80 #define   SNDCTL_DSP_POST                         _IO  ('P', 8)
81 #define SNDCTL_DSP_SUBDIVIDE            _IOWR('P', 9, int)
82 #define   SNDCTL_DSP_SETFRAGMENT                  _IOWR('P', 10, int)
83 #define   SNDCTL_DSP_GETFMTS            _IOR ('P', 11, int)
84 #define SNDCTL_DSP_GETOSPACE            _IOR ('P',12, struct audio_buf_info)
85 #define SNDCTL_DSP_GETISPACE            _IOR ('P',13, struct audio_buf_info)
86 #define SNDCTL_DSP_NONBLOCK             _IO  ('P',14)
87 #define SNDCTL_DSP_GETCAPS              _IOR ('P',15, int)
88 /* PCM_CAP_* were known as DSP_CAP_ before OSS 4.0 */
89 # define DSP_CAP_REVISION               PCM_CAP_REVISION
90 # define DSP_CAP_DUPLEX                           PCM_CAP_DUPLEX
91 # define DSP_CAP_REALTIME               PCM_CAP_REALTIME
92 # define DSP_CAP_BATCH                            PCM_CAP_BATCH
93 # define DSP_CAP_COPROC                           PCM_CAP_COPROC
94 # define DSP_CAP_TRIGGER                PCM_CAP_TRIGGER
95 # define DSP_CAP_MMAP                             PCM_CAP_MMAP
96 # define DSP_CAP_INPUT                            PCM_CAP_INPUT
97 # define DSP_CAP_OUTPUT                           PCM_CAP_OUTPUT
98 # define DSP_CAP_MODEM                            PCM_CAP_MODEM
99 # define DSP_CAP_HIDDEN                           PCM_CAP_HIDDEN
100 # define DSP_CAP_VIRTUAL                PCM_CAP_VIRTUAL
101 # define DSP_CAP_ANALOGOUT              PCM_CAP_ANALOGOUT
102 # define DSP_CAP_ANALOGIN               PCM_CAP_ANALOGIN
103 # define DSP_CAP_DIGITALOUT             PCM_CAP_DIGITALOUT
104 # define DSP_CAP_DIGITALIN              PCM_CAP_DIGITALIN
105 # define DSP_CAP_ADMASK                           PCM_CAP_ADMASK
106 # define DSP_CAP_FREERATE               PCM_CAP_FREERATE
107 # define DSP_CAP_MULTI                            PCM_CAP_MULTI
108 # define DSP_CAP_BIND                             PCM_CAP_BIND
109 # define DSP_CAP_SHADOW                           PCM_CAP_SHADOW
110 # define PCM_CAP_REVISION               0x000000ff          /* Unused in NetBSD */
111 # define PCM_CAP_DUPLEX                           0x00000100          /* Full duplex */
112 # define PCM_CAP_REALTIME               0x00000200          /* Unused in NetBSD */
113 # define PCM_CAP_BATCH                            0x00000400          /* Unused in NetBSD */
114 # define PCM_CAP_COPROC                           0x00000800          /* Unused in NetBSD */
115 # define PCM_CAP_TRIGGER                0x00001000          /* Supports SETTRIGGER */
116 # define PCM_CAP_MMAP                             0x00002000          /* Supports mmap() */
117 # define PCM_CAP_INPUT                            0x00004000          /* Recording device */
118 # define PCM_CAP_OUTPUT                           0x00008000          /* Playback device */
119 # define PCM_CAP_MODEM                            0x00010000          /* Unused in NetBSD */
120 # define PCM_CAP_HIDDEN                           0x00020000          /* Unused in NetBSD */
121 # define PCM_CAP_VIRTUAL                0x00040000          /* Unused in NetBSD */
122 # define PCM_CAP_MULTI                            0x00080000          /* Simultaneous open() */
123 # define PCM_CAP_ANALOGOUT              0x00100000          /* Unused in NetBSD */
124 # define PCM_CAP_ANALOGIN               0x00200000          /* Unused in NetBSD */
125 # define PCM_CAP_DIGITALOUT             0x00400000          /* Unused in NetBSD */
126 # define PCM_CAP_DIGITALIN              0x00800000          /* Unused in NetBSD */
127 # define PCM_CAP_ADMASK                           0x00f00000          /* Unused in NetBSD */
128 # define PCM_CAP_SPECIAL                0x01000000          /* Unused in NetBSD */
129 # define PCM_CAP_FREERATE               0x10000000          /* Freely set rate */
130 # define PCM_CAP_SHADOW                           0x40000000          /* Unused in NetBSD */
131 # define PCM_CAP_BIND                             0x80000000          /* Unused in NetBSD */
132 # define DSP_CH_ANY                     0x00000000          /* No preferred mode */
133 # define DSP_CH_MONO                              0x02000000
134 # define DSP_CH_STEREO                            0x04000000
135 # define DSP_CH_MULTI                             0x06000000
136 # define DSP_CH_MASK                              0x06000000
137 #define SNDCTL_DSP_GETTRIGGER           _IOR ('P', 16, int)
138 #define SNDCTL_DSP_SETTRIGGER           _IOW ('P', 16, int)
139 # define PCM_ENABLE_INPUT               0x00000001
140 # define PCM_ENABLE_OUTPUT              0x00000002
141 #define SNDCTL_DSP_GETIPTR              _IOR ('P', 17, struct count_info)
142 #define SNDCTL_DSP_GETOPTR              _IOR ('P', 18, struct count_info)
143 #define SNDCTL_DSP_MAPINBUF             _IOR ('P', 19, struct buffmem_desc)
144 #define SNDCTL_DSP_MAPOUTBUF            _IOR ('P', 20, struct buffmem_desc)
145 #define SNDCTL_DSP_SETSYNCRO            _IO  ('P', 21)
146 #define SNDCTL_DSP_SETDUPLEX            _IO  ('P', 22)
147 #define SNDCTL_DSP_PROFILE              _IOW ('P', 23, int)
148 #define SNDCTL_DSP_GETODELAY            _IOR ('P', 23, int)
149 #define     APF_NORMAL                            0
150 #define     APF_NETWORK                           1
151 #define   APF_CPUINTENS                           2
152 
153 /* Need native 16 bit format which depends on byte order */
154 #include <machine/endian_machdep.h>
155 #if _BYTE_ORDER == _LITTLE_ENDIAN
156 #define  AFMT_U16_NE AFMT_U16_LE
157 #define  AFMT_U16_OE AFMT_U16_BE
158 #define  AFMT_S16_NE AFMT_S16_LE
159 #define  AFMT_S16_OE AFMT_S16_BE
160 #define  AFMT_S24_NE AFMT_S24_LE
161 #define  AFMT_S24_OE AFMT_S24_BE
162 #define  AFMT_S32_NE AFMT_S32_LE
163 #define  AFMT_S32_OE AFMT_S32_BE
164 #else
165 #define  AFMT_U16_NE AFMT_U16_BE
166 #define  AFMT_U16_OE AFMT_U16_LE
167 #define  AFMT_S16_NE AFMT_S16_BE
168 #define  AFMT_S16_OE AFMT_S16_LE
169 #define  AFMT_S24_NE AFMT_S24_BE
170 #define  AFMT_S24_OE AFMT_S24_LE
171 #define  AFMT_S32_NE AFMT_S32_BE
172 #define  AFMT_S32_OE AFMT_S32_LE
173 #endif
174 
175 /* Aliases */
176 #define SOUND_PCM_WRITE_BITS            SNDCTL_DSP_SETFMT
177 #define SOUND_PCM_WRITE_RATE            SNDCTL_DSP_SPEED
178 #define SOUND_PCM_POST                            SNDCTL_DSP_POST
179 #define SOUND_PCM_RESET                           SNDCTL_DSP_RESET
180 #define SOUND_PCM_SYNC                            SNDCTL_DSP_SYNC
181 #define SOUND_PCM_SUBDIVIDE             SNDCTL_DSP_SUBDIVIDE
182 #define SOUND_PCM_SETFRAGMENT           SNDCTL_DSP_SETFRAGMENT
183 #define SOUND_PCM_GETFMTS               SNDCTL_DSP_GETFMTS
184 #define SOUND_PCM_SETFMT                SNDCTL_DSP_SETFMT
185 #define SOUND_PCM_GETOSPACE             SNDCTL_DSP_GETOSPACE
186 #define SOUND_PCM_GETISPACE             SNDCTL_DSP_GETISPACE
187 #define SOUND_PCM_NONBLOCK              SNDCTL_DSP_NONBLOCK
188 #define SOUND_PCM_GETCAPS               SNDCTL_DSP_GETCAPS
189 #define SOUND_PCM_GETTRIGGER            SNDCTL_DSP_GETTRIGGER
190 #define SOUND_PCM_SETTRIGGER            SNDCTL_DSP_SETTRIGGER
191 #define SOUND_PCM_SETSYNCRO             SNDCTL_DSP_SETSYNCRO
192 #define SOUND_PCM_GETIPTR               SNDCTL_DSP_GETIPTR
193 #define SOUND_PCM_GETOPTR               SNDCTL_DSP_GETOPTR
194 #define SOUND_PCM_MAPINBUF              SNDCTL_DSP_MAPINBUF
195 #define SOUND_PCM_MAPOUTBUF             SNDCTL_DSP_MAPOUTBUF
196 
197 /* Mixer defines */
198 #define SOUND_MIXER_FIRST               0
199 #define SOUND_MIXER_NRDEVICES           25
200 
201 #define SOUND_MIXER_VOLUME              0
202 #define SOUND_MIXER_BASS                1
203 #define SOUND_MIXER_TREBLE              2
204 #define SOUND_MIXER_SYNTH               3
205 #define SOUND_MIXER_PCM                           4
206 #define SOUND_MIXER_SPEAKER             5
207 #define SOUND_MIXER_LINE                6
208 #define SOUND_MIXER_MIC                           7
209 #define SOUND_MIXER_CD                            8
210 #define SOUND_MIXER_IMIX                9
211 #define SOUND_MIXER_ALTPCM              10
212 #define SOUND_MIXER_RECLEV              11
213 #define SOUND_MIXER_IGAIN               12
214 #define SOUND_MIXER_OGAIN               13
215 #define SOUND_MIXER_LINE1               14
216 #define SOUND_MIXER_LINE2               15
217 #define SOUND_MIXER_LINE3               16
218 #define SOUND_MIXER_DIGITAL1            17
219 #define SOUND_MIXER_DIGITAL2            18
220 #define SOUND_MIXER_DIGITAL3            19
221 #define SOUND_MIXER_PHONEIN             20
222 #define SOUND_MIXER_PHONEOUT            21
223 #define SOUND_MIXER_VIDEO               22
224 #define SOUND_MIXER_RADIO               23
225 #define SOUND_MIXER_MONITOR             24
226 
227 #define SOUND_ONOFF_MIN                           28
228 #define SOUND_ONOFF_MAX                           30
229 
230 #define SOUND_MIXER_NONE                31
231 
232 #define SOUND_DEVICE_LABELS   {"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
233                                          "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
234                                          "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
235                                          "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
236 
237 #define SOUND_DEVICE_NAMES    {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
238                                          "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
239                                          "line1", "line2", "line3", "dig1", "dig2", "dig3", \
240                                          "phin", "phout", "video", "radio", "monitor"}
241 
242 #define SOUND_MIXER_RECSRC              0xff
243 #define SOUND_MIXER_DEVMASK             0xfe
244 #define SOUND_MIXER_RECMASK             0xfd
245 #define SOUND_MIXER_CAPS                0xfc
246 #define  SOUND_CAP_EXCL_INPUT           1
247 #define SOUND_MIXER_STEREODEVS                    0xfb
248 
249 #define MIXER_READ(dev)                           _IOR('M', dev, int)
250 
251 #define SOUND_MIXER_READ_RECSRC                   MIXER_READ(SOUND_MIXER_RECSRC)
252 #define SOUND_MIXER_READ_DEVMASK        MIXER_READ(SOUND_MIXER_DEVMASK)
253 #define SOUND_MIXER_READ_RECMASK        MIXER_READ(SOUND_MIXER_RECMASK)
254 #define SOUND_MIXER_READ_STEREODEVS     MIXER_READ(SOUND_MIXER_STEREODEVS)
255 #define SOUND_MIXER_READ_CAPS           MIXER_READ(SOUND_MIXER_CAPS)
256 
257 #define SOUND_MIXER_READ_VOLUME                   MIXER_READ(SOUND_MIXER_VOLUME)
258 #define SOUND_MIXER_READ_BASS           MIXER_READ(SOUND_MIXER_BASS)
259 #define SOUND_MIXER_READ_TREBLE                   MIXER_READ(SOUND_MIXER_TREBLE)
260 #define SOUND_MIXER_READ_SYNTH                    MIXER_READ(SOUND_MIXER_SYNTH)
261 #define SOUND_MIXER_READ_PCM            MIXER_READ(SOUND_MIXER_PCM)
262 #define SOUND_MIXER_READ_SPEAKER        MIXER_READ(SOUND_MIXER_SPEAKER)
263 #define SOUND_MIXER_READ_LINE           MIXER_READ(SOUND_MIXER_LINE)
264 #define SOUND_MIXER_READ_MIC            MIXER_READ(SOUND_MIXER_MIC)
265 #define SOUND_MIXER_READ_CD             MIXER_READ(SOUND_MIXER_CD)
266 #define SOUND_MIXER_READ_IMIX           MIXER_READ(SOUND_MIXER_IMIX)
267 #define SOUND_MIXER_READ_ALTPCM                   MIXER_READ(SOUND_MIXER_ALTPCM)
268 #define SOUND_MIXER_READ_RECLEV                   MIXER_READ(SOUND_MIXER_RECLEV)
269 #define SOUND_MIXER_READ_IGAIN                    MIXER_READ(SOUND_MIXER_IGAIN)
270 #define SOUND_MIXER_READ_OGAIN                    MIXER_READ(SOUND_MIXER_OGAIN)
271 #define SOUND_MIXER_READ_LINE1                    MIXER_READ(SOUND_MIXER_LINE1)
272 #define SOUND_MIXER_READ_LINE2                    MIXER_READ(SOUND_MIXER_LINE2)
273 #define SOUND_MIXER_READ_LINE3                    MIXER_READ(SOUND_MIXER_LINE3)
274 
275 #define MIXER_WRITE(dev)                _IOW ('M', dev, int)
276 #define MIXER_WRITE_R(dev)              _IOWR('M', dev, int)
277 
278 #define SOUND_MIXER_WRITE_RECSRC        MIXER_WRITE(SOUND_MIXER_RECSRC)
279 #define SOUND_MIXER_WRITE_R_RECSRC      MIXER_WRITE_R(SOUND_MIXER_RECSRC)
280 
281 #define SOUND_MIXER_WRITE_VOLUME        MIXER_WRITE(SOUND_MIXER_VOLUME)
282 #define SOUND_MIXER_WRITE_BASS                    MIXER_WRITE(SOUND_MIXER_BASS)
283 #define SOUND_MIXER_WRITE_TREBLE        MIXER_WRITE(SOUND_MIXER_TREBLE)
284 #define SOUND_MIXER_WRITE_SYNTH                   MIXER_WRITE(SOUND_MIXER_SYNTH)
285 #define SOUND_MIXER_WRITE_PCM           MIXER_WRITE(SOUND_MIXER_PCM)
286 #define SOUND_MIXER_WRITE_SPEAKER       MIXER_WRITE(SOUND_MIXER_SPEAKER)
287 #define SOUND_MIXER_WRITE_LINE                    MIXER_WRITE(SOUND_MIXER_LINE)
288 #define SOUND_MIXER_WRITE_MIC           MIXER_WRITE(SOUND_MIXER_MIC)
289 #define SOUND_MIXER_WRITE_CD            MIXER_WRITE(SOUND_MIXER_CD)
290 #define SOUND_MIXER_WRITE_IMIX                    MIXER_WRITE(SOUND_MIXER_IMIX)
291 #define SOUND_MIXER_WRITE_ALTPCM        MIXER_WRITE(SOUND_MIXER_ALTPCM)
292 #define SOUND_MIXER_WRITE_RECLEV        MIXER_WRITE(SOUND_MIXER_RECLEV)
293 #define SOUND_MIXER_WRITE_IGAIN                   MIXER_WRITE(SOUND_MIXER_IGAIN)
294 #define SOUND_MIXER_WRITE_OGAIN                   MIXER_WRITE(SOUND_MIXER_OGAIN)
295 #define SOUND_MIXER_WRITE_LINE1                   MIXER_WRITE(SOUND_MIXER_LINE1)
296 #define SOUND_MIXER_WRITE_LINE2                   MIXER_WRITE(SOUND_MIXER_LINE2)
297 #define SOUND_MIXER_WRITE_LINE3                   MIXER_WRITE(SOUND_MIXER_LINE3)
298 
299 #define SOUND_MASK_VOLUME     (1 << SOUND_MIXER_VOLUME)
300 #define SOUND_MASK_BASS                 (1 << SOUND_MIXER_BASS)
301 #define SOUND_MASK_TREBLE     (1 << SOUND_MIXER_TREBLE)
302 #define SOUND_MASK_SYNTH      (1 << SOUND_MIXER_SYNTH)
303 #define SOUND_MASK_PCM                  (1 << SOUND_MIXER_PCM)
304 #define SOUND_MASK_SPEAKER    (1 << SOUND_MIXER_SPEAKER)
305 #define SOUND_MASK_LINE                 (1 << SOUND_MIXER_LINE)
306 #define SOUND_MASK_MIC                  (1 << SOUND_MIXER_MIC)
307 #define SOUND_MASK_CD                   (1 << SOUND_MIXER_CD)
308 #define SOUND_MASK_IMIX                 (1 << SOUND_MIXER_IMIX)
309 #define SOUND_MASK_ALTPCM     (1 << SOUND_MIXER_ALTPCM)
310 #define SOUND_MASK_RECLEV     (1 << SOUND_MIXER_RECLEV)
311 #define SOUND_MASK_IGAIN      (1 << SOUND_MIXER_IGAIN)
312 #define SOUND_MASK_OGAIN      (1 << SOUND_MIXER_OGAIN)
313 #define SOUND_MASK_LINE1      (1 << SOUND_MIXER_LINE1)
314 #define SOUND_MASK_LINE2      (1 << SOUND_MIXER_LINE2)
315 #define SOUND_MASK_LINE3      (1 << SOUND_MIXER_LINE3)
316 #define SOUND_MASK_DIGITAL1   (1 << SOUND_MIXER_DIGITAL1)
317 #define SOUND_MASK_DIGITAL2   (1 << SOUND_MIXER_DIGITAL2)
318 #define SOUND_MASK_DIGITAL3   (1 << SOUND_MIXER_DIGITAL3)
319 #define SOUND_MASK_PHONEIN    (1 << SOUND_MIXER_PHONEIN)
320 #define SOUND_MASK_PHONEOUT   (1 << SOUND_MIXER_PHONEOUT)
321 #define SOUND_MASK_VIDEO      (1 << SOUND_MIXER_VIDEO)
322 #define SOUND_MASK_RADIO      (1 << SOUND_MIXER_RADIO)
323 #define SOUND_MASK_MONITOR    (1 << SOUND_MIXER_MONITOR)
324 
325 typedef struct mixer_info {
326           char id[16];
327           char name[32];
328           int  modify_counter;
329           int  fillers[10];
330 } mixer_info;
331 
332 typedef struct _old_mixer_info {
333           char id[16];
334           char name[32];
335 } _old_mixer_info;
336 
337 #define SOUND_MIXER_INFO                _IOR('M', 101, mixer_info)
338 #define SOUND_OLD_MIXER_INFO            _IOR('M', 101, _old_mixer_info)
339 
340 #define OSS_GETVERSION                            _IOR ('M', 118, int)
341 
342 typedef struct audio_buf_info {
343           int fragments;
344           int fragstotal;
345           int fragsize;
346           int bytes;
347 } audio_buf_info;
348 
349 typedef struct count_info {
350           int bytes;
351           int blocks;
352           int ptr;
353 } count_info;
354 
355 typedef struct buffmem_desc {
356           unsigned int *buffer;
357           int size;
358 } buffmem_desc;
359 
360 /* Some OSSv4 calls. */
361 
362 /* Why is yet more duplication necessary? Sigh. */
363 #define OSS_OPEN_READ                   PCM_ENABLE_INPUT
364 #define OSS_OPEN_WRITE                  PCM_ENABLE_OUTPUT
365 #define OSS_OPEN_READWRITE    (OSS_OPEN_READ|OSS_OPEN_WRITE)
366 
367 #define OSS_DEVNODE_SIZE                32
368 #define OSS_LABEL_SIZE                            16
369 #define OSS_LONGNAME_SIZE               64
370 #define OSS_MAX_AUDIO_DEVS              64
371 
372 #define SNDCTL_DSP_GETPLAYVOL           _IOR ('P',27, uint)
373 #define SNDCTL_DSP_SETPLAYVOL           _IOW ('P',28, uint)
374 #define SNDCTL_DSP_GETRECVOL            _IOR ('P',29, uint)
375 #define SNDCTL_DSP_SETRECVOL            _IOW ('P',30, uint)
376 #define SNDCTL_DSP_SKIP                           _IO ('P',31)
377 #define SNDCTL_DSP_SILENCE              _IO ('P',32)
378 #define SNDCTL_DSP_COOKEDMODE           _IOW ('P',33, int)
379 #define SNDCTL_DSP_GETERROR             _IOR ('P',34, struct audio_errinfo)
380 #define SNDCTL_DSP_CURRENT_IPTR                   _IOR ('P',35, oss_count_t)
381 #define SNDCTL_DSP_CURRENT_OPTR                   _IOR ('P',36, oss_count_t)
382 #define SNDCTL_DSP_GET_RECSRC_NAMES     _IOR ('P',37, oss_mixer_enuminfo)
383 #define SNDCTL_DSP_GET_RECSRC           _IOR ('P',38, int)
384 #define SNDCTL_DSP_SET_RECSRC           _IOWR ('P',38, int)
385 #define SNDCTL_DSP_GET_PLAYTGT_NAMES    _IOR ('P',39, oss_mixer_enuminfo)
386 #define SNDCTL_DSP_GET_PLAYTGT                    _IOR ('P',40, int)
387 #define SNDCTL_DSP_SET_PLAYTGT                    _IOWR ('P',40, int)
388 
389 #define SNDCTL_DSP_GET_CHNORDER                   _IOR ('P',42, unsigned long long)
390 #define SNDCTL_DSP_SET_CHNORDER                   _IOWR ('P',42, unsigned long long)
391 
392 #define SNDCTL_DSP_HALT_OUTPUT                    _IO ('P',70)
393 #define SNDCTL_DSP_RESET_OUTPUT                   SNDCTL_DSP_HALT_OUTPUT        /* Old name */
394 #define SNDCTL_DSP_HALT_INPUT           _IO ('P',71)
395 #define SNDCTL_DSP_RESET_INPUT                    SNDCTL_DSP_HALT_INPUT         /* Old name */
396 
397 #define CHID_UNDEF  0
398 #define CHID_L                1
399 #define CHID_R                2
400 #define CHID_C                3
401 #define CHID_LFE    4
402 #define CHID_LS               5
403 #define CHID_RS               6
404 #define CHID_LR               7
405 #define CHID_RR               8
406 #define CHNORDER_UNDEF        0x0000000000000000ULL
407 #define CHNORDER_NORMAL       0x0000000087654321ULL
408 
409 typedef struct {
410           long long samples;
411           int fifo_samples;
412           int filler[32];                         /* "Future use" */
413 } oss_count_t;
414 
415 typedef struct audio_errinfo {
416           int play_underruns;
417           int rec_overruns;
418           unsigned int play_ptradjust;  /* Obsolete */
419           unsigned int rec_ptradjust;   /* Obsolete */
420           int play_errorcount;                    /* Unused */
421           int rec_errorcount;           /* Unused */
422           int play_lasterror;           /* Unused */
423           int rec_lasterror;            /* Unused */
424           int play_errorparm;           /* Unused */
425           int rec_errorparm;            /* Unused */
426           int filler[16];                         /* Unused */
427 } audio_errinfo;
428 
429 typedef struct oss_sysinfo {
430           char product[32];
431           char version[32];
432           int versionnum;
433           char options[128];            /* Future use */
434           int numaudios;
435           int openedaudio[8];           /* Obsolete */
436           int numsynths;                          /* Obsolete */
437           int nummidis;
438           int numtimers;
439           int nummixers;
440           int openedmidi[8];
441           int numcards;
442           int numaudioengines;
443           char license[16];
444           char revision_info[256];      /* Internal Use */
445           int filler[172];              /* For expansion */
446 } oss_sysinfo;
447 
448 typedef struct oss_audioinfo {
449           int dev;            /* Set by caller */
450           char name[OSS_LONGNAME_SIZE];
451           int busy;
452           int pid;
453           int caps;
454           int iformats;
455           int oformats;
456           int magic;                    /* Unused */
457           char cmd[OSS_LONGNAME_SIZE];
458           int card_number;
459           int port_number;
460           int mixer_dev;
461           int legacy_device;  /* Obsolete */
462           int enabled;
463           int flags;                    /* Reserved */
464           int min_rate;
465           int max_rate;
466           int min_channels;
467           int max_channels;
468           int binding;                  /* Reserved */
469           int rate_source;
470           char handle[32];
471 #define OSS_MAX_SAMPLE_RATES  20
472           int nrates;
473           int rates[OSS_MAX_SAMPLE_RATES];
474           char song_name[OSS_LONGNAME_SIZE];
475           char label[OSS_LABEL_SIZE];
476           int latency;                                      /* In usecs -1 = unknown */
477           char devnode[OSS_DEVNODE_SIZE];
478           int next_play_engine;
479           int next_rec_engine;
480           int filler[184];                        /* For expansion */
481 } oss_audioinfo;
482 
483 typedef struct oss_card_info {
484           int card;
485           char shortname[16];
486           char longname[128];
487           int flags;
488           char hw_info[400];
489           int intr_count;
490           int ack_count;
491           int filler[154];
492 } oss_card_info;
493 
494 #define SNDCTL_SYSINFO                  _IOR ('X', 1, oss_sysinfo)
495 #define OSS_SYSINFO           SNDCTL_SYSINFO /* Old name */
496 #define SNDCTL_MIX_NRMIX      _IOR ('X',2, int)
497 #define SNDCTL_MIX_NREXT      _IOWR ('X',3, int)
498 #define SNDCTL_MIX_EXTINFO    _IOWR ('X',4, oss_mixext)
499 #define SNDCTL_MIX_READ                 _IOWR ('X',5, oss_mixer_value)
500 #define SNDCTL_MIX_WRITE      _IOWR ('X',6, oss_mixer_value)
501 #define SNDCTL_AUDIOINFO      _IOWR ('X',7, oss_audioinfo)
502 #define SNDCTL_MIX_ENUMINFO   _IOWR ('X',8, oss_mixer_enuminfo)
503 #define SNDCTL_MIXERINFO      _IOWR ('X',10, oss_mixerinfo)
504 #define SNDCTL_CARDINFO                 _IOWR ('X',11, oss_card_info)
505 #define SNDCTL_ENGINEINFO     _IOWR ('X',12, oss_audioinfo)
506 #define SNDCTL_AUDIOINFO_EX   _IOWR ('X',13, oss_audioinfo)
507 #define SNDCTL_MIX_DESCRIPTION          _IOWR ('X',14, oss_mixer_enuminfo)
508 
509 #define MIXT_DEVROOT                    0 /* Used for default classes */
510 #define MIXT_GROUP            1 /* Used for classes */
511 #define MIXT_ONOFF            2 /* Used for mute controls */
512 #define MIXT_ENUM             3 /* Used for enum controls */
513 #define MIXT_MONOSLIDER                 4 /* Used for mono and surround controls */
514 #define MIXT_STEREOSLIDER     5 /* Used for stereo controls */
515 #define MIXT_MESSAGE                    6 /* OSS compat, unused on NetBSD */
516 #define MIXT_MONOVU           7 /* OSS compat, unused on NetBSD */
517 #define MIXT_STEREOVU                   8 /* OSS compat, unused on NetBSD */
518 #define MIXT_MONOPEAK                   9 /* OSS compat, unused on NetBSD */
519 #define MIXT_STEREOPEAK                 10 /* OSS compat, unused on NetBSD */
520 #define MIXT_RADIOGROUP                 11 /* OSS compat, unused on NetBSD */
521 #define MIXT_MARKER           12 /* OSS compat, unused on NetBSD */
522 #define MIXT_VALUE            13 /* OSS compat, unused on NetBSD */
523 #define MIXT_HEXVALUE                   14 /* OSS compat, unused on NetBSD */
524 #define MIXT_MONODB           15 /* OSS compat, unused on NetBSD */
525 #define MIXT_STEREODB                   16 /* OSS compat, unused on NetBSD */
526 #define MIXT_SLIDER           17 /* OSS compat, unused on NetBSD */
527 #define MIXT_3D                         18 /* OSS compat, unused on NetBSD */
528 #define MIXT_MONOSLIDER16     19 /* OSS compat, unused on NetBSD */
529 #define MIXT_STEREOSLIDER16   20 /* OSS compat, unused on NetBSD */
530 #define MIXT_MUTE             21 /* OSS compat, unused on NetBSD */
531 /*
532  * Should be used for Set controls.
533  * In practice nothing uses this because it's "reserved for Sun's
534  * implementation".
535  */
536 #define MIXT_ENUM_MULTI                 22
537 
538 #define MIXF_READABLE         0x00000001 /* Value is readable: always true */
539 #define MIXF_WRITEABLE        0x00000002 /* Value is writable: always true */
540 #define MIXF_POLL   0x00000004 /* Can change between reads: always true */
541 #define MIXF_HZ               0x00000008 /* OSS compat, unused on NetBSD */
542 #define MIXF_STRING 0x00000010 /* OSS compat, unused on NetBSD */
543 #define MIXF_DYNAMIC          0x00000010 /* OSS compat, unused on NetBSD */
544 #define MIXF_OKFAIL 0x00000020 /* OSS compat, unused on NetBSD */
545 #define MIXF_FLAT   0x00000040 /* OSS compat, unused on NetBSD */
546 #define MIXF_LEGACY 0x00000080 /* OSS compat, unused on NetBSD */
547 #define MIXF_CENTIBEL         0x00000100 /* OSS compat, unused on NetBSD */
548 #define MIXF_DECIBEL          0x00000200 /* OSS compat, unused on NetBSD */
549 #define MIXF_MAINVOL          0x00000400 /* OSS compat, unused on NetBSD */
550 #define MIXF_PCMVOL 0x00000800 /* OSS compat, unused on NetBSD */
551 #define MIXF_RECVOL 0x00001000 /* OSS compat, unused on NetBSD */
552 #define MIXF_MONVOL 0x00002000 /* OSS compat, unused on NetBSD */
553 #define MIXF_WIDE   0x00004000 /* OSS compat, unused on NetBSD */
554 #define MIXF_DESCR  0x00008000 /* OSS compat, unused on NetBSD */
555 #define MIXF_DISABLED         0x00010000 /* OSS compat, unused on NetBSD */
556 
557 /* None of the mixer capabilities are set on NetBSD. */
558 #define MIXER_CAP_VIRTUAL     0x00000001          /* Virtual device */
559 #define MIXER_CAP_LAYOUT_B    0x00000002          /* "Internal use only" */
560 #define MIXER_CAP_NARROW      0x00000004          /* "Conserve screen space" */
561 
562 #define OSS_ID_SIZE           16
563 typedef char oss_id_t[OSS_ID_SIZE];
564 #define OSS_DEVNODE_SIZE      32
565 typedef char oss_devnode_t[OSS_DEVNODE_SIZE];
566 #define OSS_HANDLE_SIZE                 32
567 typedef char oss_handle_t[OSS_HANDLE_SIZE];
568 #define   OSS_LONGNAME_SIZE   64
569 typedef char oss_longname_t[OSS_LONGNAME_SIZE];
570 #define   OSS_LABEL_SIZE                16
571 typedef char oss_label_t[OSS_LABEL_SIZE];
572 
573 typedef struct oss_mixext_root {
574           oss_id_t id;
575           char name[48];
576 } oss_mixext_root;
577 
578 typedef struct oss_mixerinfo {
579           int dev;
580           oss_id_t id;
581           char name[32];
582           int modify_counter;
583           int card_number;
584           int port_number;
585           oss_handle_t handle;
586           int magic;                    /* "Reserved for internal use" */
587           int enabled;
588           int caps;
589           int flags;                    /* "Reserved for internal use" */
590           int nrext;
591           int priority;
592           oss_devnode_t devnode;
593           int legacy_device;
594           int filler[245];
595 } oss_mixerinfo;
596 
597 typedef struct oss_mixer_value {
598           int dev;  /* Set by caller */
599           int ctrl; /* Set by caller */
600           int value;
601           int flags;          /* Reserved for "future use" */
602           int timestamp;
603           int filler[8];      /* Reserved for "future use" */
604 } oss_mixer_value;
605 
606 #define OSS_ENUM_MAXVALUE     255
607 #define OSS_ENUM_STRINGSIZE   3000
608 
609 typedef struct oss_mixer_enuminfo {
610           int dev;  /* Set by caller */
611           int ctrl; /* Set by caller */
612           int nvalues;
613           int version;
614           short strindex[OSS_ENUM_MAXVALUE];
615           char strings[OSS_ENUM_STRINGSIZE];
616 } oss_mixer_enuminfo;
617 
618 typedef struct oss_mixext {
619           int dev;
620           int ctrl;
621           int type;
622           int maxvalue;
623           int minvalue;
624           int flags;
625           oss_id_t id;
626           int parent;
627           int dummy;
628           int timestamp;
629           char data[64];
630           unsigned char enum_present[32];
631           int control_no;
632           unsigned int desc;
633           char extname[32];
634           int update_counter;
635           int rgbcolor;
636           int filler[6];
637 } oss_mixext;
638 
639 
640 /*
641  * These are no-ops on FreeBSD, NetBSD, and Solaris,
642  * but are defined for compatibility with OSSv4.
643  */
644 #define SNDCTL_SETSONG                  _IOW ('Y',2, oss_longname_t)
645 #define SNDCTL_GETSONG                  _IOR ('Y',2, oss_longname_t)
646 #define SNDCTL_SETNAME                  _IOW ('Y',3, oss_longname_t)
647 #define SNDCTL_SETLABEL                 _IOW ('Y',4, oss_label_t)
648 #define SNDCTL_GETLABEL                 _IOR ('Y',4, oss_label_t)
649 
650 #define ioctl _oss_ioctl
651 /*
652  * If we already included <sys/ioctl.h>, then we define our own prototype,
653  * else we depend on <sys/ioctl.h> to do it for us. We do it this way, so
654  * that we don't define the prototype twice.
655  */
656 #ifndef _SYS_IOCTL_H_
657 #include <sys/ioctl.h>
658 #else
659 __BEGIN_DECLS
660 int _oss_ioctl(int, unsigned long, ...);
661 __END_DECLS
662 #endif
663 
664 #endif /* !_SOUNDCARD_H_ */
665